Describe the Bug:1- Life Matrix doesn't tap when ability is activated.2- Life Matrix 's legacy card attached to creature, to remove a matrix counter and regenerate it remains on creature for ever. The counter is correctly removed.

What exactly should be the correct behavior/interaction?1- Life Matrix taps when ability is activated.2- Life Matrix 's legacy card attached to creature, to remove a matrix counter and regenerate gets removed when the counter is removed.